At the city museum, child admission is $6.40 and adult admission is $9.90 . On Thursday, 154 tickets were sold for a total sales of $1199.10 How many adult tickets were sold that day?

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36